31131274

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1245

約数の個数: 16

約数和(自身を含む): 47496960

約数和(自身を除く): 16365686

約数列:

[1, 2, 113, 139, 226, 278, 991, 1982, 15707, 31414, 111983, 137749, 223966, 275498, 15565637, 31131274]

約数ペア:

[(1, 31131274), (2, 15565637), (113, 275498), (139, 223966), (226, 137749), (278, 111983), (991, 31414), (1982, 15707)]